GHSA-52PR-7VMF-2W7X Concrete CMS is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

CVE-2026-37700

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

CVE-2026-7888

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

CVE-2026-7888 Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction.

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

CVE-2026-7888 Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction.

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

CVE-2026-7888

CVE-2026-7888 affects Concrete CMS versions below 9.5.2. The vulnerability arises from PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that do not enforce allowed_classes. An unauthenticated attacker could trigger arbitrary PHP object instantiatio...

CVE-2026-7888 Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction.

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

CVE-2026-37700

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

PT-2026-46059

Name of the Vulnerable Software and Affected Versions MaxSite CMS version 109.2 Description A Cross Site Scripting issue allows a remote attacker to obtain sensitive information. This occurs via the Backend page file upload endpoint used by admin page. Recommendations At the moment, there is no...

CVE-2026-37700

MaxSite CMS v.109.2 is affected by a Cross Site Scripting (XSS) vulnerability via the Backend page file upload endpoint used by admin_page. The CVE-2026-37700 description states an attacker can obtain sensitive information through this endpoint. CVSS v3.1 score is 4.1 (Medium); attack vector Netw...

PT-2026-46047

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.2 Description PHP Object Injection occurs due to the use of unserialize calls within the Workflow, Form block, and File/Set components that do not implement the allowed classes restriction. This allows an...

RockyLinux 9 : openssl (RLSA-2026:22312)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:22312 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding descriptio...

CVE-2026-37700

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

CVE-2026-37700

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

maxsite cms 跨站脚本漏洞

MaxSite CMS is an open-source website content management system developed by MaxSite in Russia. Version 109.2 of MaxSite CMS has a security vulnerability. This vulnerability stems from a cross-site scripting vulnerability in the backend page file upload endpoint, which could allow remote attacker...

Oracle Linux 8 : compat-openssl10 (ELSA-2026-22315)

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-22315 advisory. 1.1.0.2o-4.2 - Fixes CVE-2026-28390: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing Resolves: RHEL-165754 Tenable has...

RockyLinux 9 : compat-openssl11 (RLSA-2026:22313)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:22313 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding descriptio...

EUVD-2026-34180

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

AlmaLinux 9 : openssl (ALSA-2026:22312)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:22312 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding description...

CVE-2026-10608

A security flaw has been discovered in DedeCMS 5.7.88. This affects the function RemoveXSS of the file /plus/carbuyaction.php. The manipulation of the argument postname/des results in sql injection. The attack may be launched remotely. The exploit has been released to the public and may be used f...